/Engine/Source/Runtime/Projects/Public/Interfaces/IPluginManager.h
Remove a single plugin from the list of plugins.
True if the plugin was not in the list. False if it can't be removed (see OutFailReason).
bool RemoveFromPluginsList ( const [FString](API\Runtime\Core\Containers\FString) & PluginFilename, [FText](API\Runtime\Core\Internationalization\FText) * OutFailReason )